Communication device



FIG. 1 is a front view of an ornamental design for a communication device.

FIG. 2 is a rear view thereof.

FIG. 3 is a first side view thereof.

FIG. 4 is a second side view thereof.

FIG. 5 is a top view thereof; and,

FIG. 6 is a bottom view thereof. 

The ornamental design for a communication device, as shown and described. 